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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-1203) Throw better exception when edge serialisation fails because of too many edges
Date Fri, 05 Oct 2018 19:35:00 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16640258#comment-16640258
] 

ASF GitHub Bot commented on GIRAPH-1203:
----------------------------------------

GitHub user aanchal204 opened a pull request:

    https://github.com/apache/giraph/pull/87

    Better exception handling for large number of edges: GIRAPH-1203

    Ran: 
    mvn clean verify -P hadoop_facebook

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/aanchal204/giraph negative-array-size-exception

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/giraph/pull/87.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #87
    
----
commit b0d9f4e6aa77bd0d23afa787d2ab2a8dcffbcb58
Author: Aanchal Dalmia <aanchal204@...>
Date:   2018-10-05T19:30:02Z

    Better exception handling for large number of edges: GIRAPH-1203

----


> Throw better exception when edge serialisation fails because of too many edges
> ------------------------------------------------------------------------------
>
>                 Key: GIRAPH-1203
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-1203
>             Project: Giraph
>          Issue Type: Improvement
>            Reporter: Aanchal Dalmia
>            Priority: Minor
>
> When a vertex has a large number of edges, during serialization, the edges would not
fit into the byte array. The upper limit on the size of the array is the maximum integer value.
When this is crossed, the size of the byte array becomes negative, since the integer overflows.
> Throw a better exception when this happens.



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